Proxmox/pve-zsync
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pve-zsync: Flip Source and Dest in functions to so jobs can share Dest

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Signed-off-by: Bruce Wainer <brwainer@gmail.com>
Tested-by: Wolfgang Link <w.link@proxmox.com>
Reviewed-by: Wolfgang Link <w.link@proxmox.com>
This commit is contained in:
Bruce Wainer 2020-06-16 14:53:35 -04:00 committed by Thomas Lamprecht
parent b6f6f505ec
commit 5d3ff0f6e4
1 changed files with 25 additions and 17 deletions
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pve-zsync
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@ -634,13 +634,13 @@ sub sync {
my $sync_path = sub {
my ($source, $dest, $job, $param, $date) = @_;
($source->{old_snap}, $source->{last_snap}) = snapshot_get($source, $dest, $param->{maxsnap}, $param->{name}, $param->{source_user});
($dest->{old_snap}, $dest->{last_snap}) = snapshot_get($source, $dest, $param->{maxsnap}, $param->{name}, $param->{dest_user});
snapshot_add($source, $dest, $param->{name}, $date, $param->{source_user}, $param->{dest_user});
send_image($source, $dest, $param);
snapshot_destroy($source, $dest, $param->{method}, $source->{old_snap}, $param->{source_user}, $param->{dest_user}) if ($source->{destroy} && $source->{old_snap});
snapshot_destroy($source, $dest, $param->{method}, $dest->{old_snap}, $param->{source_user}, $param->{dest_user}) if ($source->{destroy} && $dest->{old_snap});
};
@ -694,14 +694,22 @@ sub sync {
}
sub snapshot_get{
my ($source, $dest, $max_snap, $name, $source_user) = @_;
my ($source, $dest, $max_snap, $name, $dest_user) = @_;
my $cmd = [];
push @$cmd, 'ssh', "$source_user\@$source->{ip}", '--', if $source->{ip};
push @$cmd, 'ssh', "$dest_user\@$dest->{ip}", '--', if $dest->{ip};
push @$cmd, 'zfs', 'list', '-r', '-t', 'snapshot', '-Ho', 'name', '-S', 'creation';
push @$cmd, $source->{all};
my $raw = run_cmd($cmd);
my $path = $dest->{all};
$path .= "/$source->{last_part}" if $source->{last_part};
push @$cmd, $path;
my $raw;
eval {$raw = run_cmd($cmd)};
if (my $erro =$@) { #this means the volume doesn't exist on dest yet
return undef;
}
my $index = 0;
my $line = "";
my $last_snap = undef;
@ -709,9 +717,10 @@ sub snapshot_get{
while ($raw && $raw =~ s/^(.*?)(\n|$)//) {
$line = $1;
if ($line =~ m/(rep_\Q${name}\E_\d{4}-\d{2}-\d{2}_\d{2}:\d{2}:\d{2})$/) {
if ($line =~ m/@(.*)$/) {
$last_snap = $1 if (!$last_snap);
}
if ($line =~ m/(rep_\Q${name}\E_\d{4}-\d{2}-\d{2}_\d{2}:\d{2}:\d{2})$/) {
$old_snap = $1;
$index++;
if ($index == $max_snap) {
@ -933,17 +942,16 @@ sub snapshot_destroy {
}
}
# check if snapshot for incremental sync exist on dest side
# check if snapshot for incremental sync exist on source side
sub snapshot_exist {
my ($source , $dest, $method, $dest_user) = @_;
my ($source , $dest, $method, $source_user) = @_;
my $cmd = [];
push @$cmd, 'ssh', "$dest_user\@$dest->{ip}", '--' if $dest->{ip};
push @$cmd, 'ssh', "$source_user\@$source->{ip}", '--' if $source->{ip};
push @$cmd, 'zfs', 'list', '-rt', 'snapshot', '-Ho', 'name';
my $path = $dest->{all};
$path .= "/$source->{last_part}" if $source->{last_part};
$path .= "\@$source->{last_snap}";
my $path = $source->{all};
$path .= "\@$dest->{last_snap}";
push @$cmd, $path;
@ -965,8 +973,8 @@ sub send_image {
push @$cmd, '-p', if $param->{properties};
push @$cmd, '-v' if $param->{verbose};
if($source->{last_snap} && snapshot_exist($source , $dest, $param->{method}, $param->{dest_user})) {
push @$cmd, '-i', "$source->{all}\@$source->{last_snap}";
if($dest->{last_snap} && snapshot_exist($source , $dest, $param->{method}, $param->{source_user})) {
push @$cmd, '-i', "$source->{all}\@$dest->{last_snap}";
}
push @$cmd, '--', "$source->{all}\@$source->{new_snap}";
@ -1018,7 +1026,7 @@ sub send_config{
}
if ($source->{destroy}){
my $dest_target_old ="${config_dir}/$source->{vmid}.conf.$source->{vm_type}.$source->{old_snap}";
my $dest_target_old ="${config_dir}/$source->{vmid}.conf.$source->{vm_type}.$dest->{old_snap}";
if($dest->{ip}){
run_cmd(['ssh', "$dest_user\@$dest->{ip}", '--', 'rm', '-f', '--', $dest_target_old]);
} else {